10 |
/* Print a newline to a port */ |
/* Print a newline to a port */ |
11 |
extern void nlport(environment *env) |
extern void nlport(environment *env) |
12 |
{ |
{ |
13 |
switch(check_args(env, port, empty)) { |
if(check_args(env, 1, port)) |
14 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
15 |
|
|
16 |
if(fprintf(CAR(env->head)->content.p, "\n") < 0){ |
if(fprintf(CAR(env->head)->content.p, "\n") < 0) { |
|
perror("nl"); |
|
17 |
env->err= 5; |
env->err= 5; |
18 |
return; |
return printerr(env); |
19 |
} |
} |
20 |
|
|
21 |
toss(env); |
toss(env); |
22 |
} |
} |
23 |
|
|
25 |
extern void type(environment *env) |
extern void type(environment *env) |
26 |
{ |
{ |
27 |
|
|
28 |
switch(check_args(env, unknown, empty)) { |
if(check_args(env, 1, unknown)) |
29 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
30 |
|
|
31 |
switch(CAR(env->head)->type){ |
switch(CAR(env->head)->type){ |
32 |
case empty: |
case empty: |
66 |
extern void print_(environment *env) |
extern void print_(environment *env) |
67 |
{ |
{ |
68 |
|
|
69 |
switch(check_args(env, unknown, empty)) { |
if(check_args(env, 1, unknown)) |
70 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
71 |
|
|
72 |
print_val(env, CAR(env->head), 0, NULL, stdout); |
print_val(env, CAR(env->head), 0, NULL, stdout); |
73 |
if(env->err) return; |
if(env->err) return; |
87 |
extern void princ_(environment *env) |
extern void princ_(environment *env) |
88 |
{ |
{ |
89 |
|
|
90 |
switch(check_args(env, unknown, empty)) { |
if(check_args(env, 1, unknown)) |
91 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
92 |
|
|
93 |
print_val(env, CAR(env->head), 1, NULL, stdout); |
print_val(env, CAR(env->head), 1, NULL, stdout); |
94 |
} |
} |
105 |
extern void printport_(environment *env) |
extern void printport_(environment *env) |
106 |
{ |
{ |
107 |
|
|
108 |
switch(check_args(env, port, unknown, empty)) { |
if(check_args(env, 2, port, unknown)) |
109 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
110 |
|
|
111 |
print_val(env, CAR(CDR(env->head)), 0, NULL, CAR(env->head)->content.p); |
print_val(env, CAR(CDR(env->head)), 0, NULL, CAR(env->head)->content.p); |
112 |
if(env->err) return; |
if(env->err) return; |
125 |
extern void princport_(environment *env) |
extern void princport_(environment *env) |
126 |
{ |
{ |
127 |
|
|
128 |
switch(check_args(env, port, unknown, empty)) { |
if(check_args(env, 2, port, unknown)) |
129 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
130 |
|
|
131 |
print_val(env, CAR(CDR(env->head)), 1, NULL, CAR(env->head)->content.p); |
print_val(env, CAR(CDR(env->head)), 1, NULL, CAR(env->head)->content.p); |
132 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
145 |
{ |
{ |
146 |
value *temp= env->head; |
value *temp= env->head; |
147 |
|
|
148 |
switch(check_args(env, unknown, unknown, unknown, empty)) { |
if(check_args(env, 3, unknown, unknown, unknown)) |
149 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
150 |
|
|
151 |
env->head= CDR(CDR(env->head)); |
env->head= CDR(CDR(env->head)); |
152 |
CDR(CDR(temp))= CDR(env->head); |
CDR(CDR(temp))= CDR(env->head); |
158 |
{ |
{ |
159 |
value *temp, *new_head; |
value *temp, *new_head; |
160 |
|
|
161 |
switch(check_args(env, tcons, empty)) { |
if(check_args(env, 1, tcons)) |
162 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
163 |
|
|
164 |
rev(env); |
rev(env); |
165 |
|
|
177 |
if (CDR(temp)->type == tcons) |
if (CDR(temp)->type == tcons) |
178 |
temp= CDR(temp); |
temp= CDR(temp); |
179 |
else { |
else { |
180 |
printerr(env, "Bad Argument Type"); /* Improper list */ |
env->err= 2; /* Improper list */ |
181 |
env->err= 2; |
return printerr(env); |
|
return; |
|
182 |
} |
} |
183 |
} |
} |
184 |
|
|
193 |
{ |
{ |
194 |
void *left, *right; |
void *left, *right; |
195 |
|
|
196 |
switch(check_args(env, unknown, unknown, empty)) { |
if(check_args(env, 2, unknown, unknown)) |
197 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
198 |
|
|
199 |
left= CAR(env->head)->content.ptr; |
left= CAR(env->head)->content.ptr; |
200 |
right= CAR(CDR(env->head))->content.ptr; |
right= CAR(CDR(env->head))->content.ptr; |
208 |
{ |
{ |
209 |
int val; |
int val; |
210 |
|
|
211 |
switch(check_args(env, integer, empty)) { |
if(check_args(env, 1, integer)) |
212 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
213 |
|
|
214 |
val= CAR(env->head)->content.i; |
val= CAR(env->head)->content.i; |
215 |
toss(env); |
toss(env); |
229 |
symbol *sym; |
symbol *sym; |
230 |
|
|
231 |
/* Needs two values on the stack, the top one must be a symbol */ |
/* Needs two values on the stack, the top one must be a symbol */ |
232 |
switch(check_args(env, symb, unknown, empty)) { |
if(check_args(env, 2, symb, unknown)) |
233 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
234 |
|
|
235 |
/* long names are a pain */ |
/* long names are a pain */ |
236 |
sym= CAR(env->head)->content.sym; |
sym= CAR(env->head)->content.sym; |
252 |
{ |
{ |
253 |
char* sym_id; |
char* sym_id; |
254 |
|
|
255 |
switch(check_args(env, symb, empty)) { |
if(check_args(env, 1, symb)) |
256 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
257 |
|
|
258 |
sym_id= CAR(env->head)->content.sym->id; |
sym_id= CAR(env->head)->content.sym->id; |
259 |
toss(env); |
toss(env); |
276 |
char* new_string; |
char* new_string; |
277 |
value *a_val, *b_val; |
value *a_val, *b_val; |
278 |
|
|
279 |
if(check_args(env, unknown, unknown, empty)==1) { |
if(check_args(env, 2, string, string)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
} |
|
|
|
|
|
if(check_args(env, string, string, empty)==0) { |
|
280 |
a_val= CAR(env->head); |
a_val= CAR(env->head); |
281 |
b_val= CAR(CDR(env->head)); |
b_val= CAR(CDR(env->head)); |
282 |
protect(a_val); protect(b_val); |
protect(a_val); protect(b_val); |
294 |
return; |
return; |
295 |
} |
} |
296 |
|
|
297 |
if(check_args(env, integer, integer, empty)==0) { |
if(check_args(env, 2, integer, integer)==0) { |
298 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
299 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
300 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
304 |
return; |
return; |
305 |
} |
} |
306 |
|
|
307 |
if(check_args(env, tfloat, tfloat, empty)==0) { |
if(check_args(env, 2, tfloat, tfloat)==0) { |
308 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
309 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
310 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
314 |
return; |
return; |
315 |
} |
} |
316 |
|
|
317 |
if(check_args(env, tfloat, integer, empty)==0) { |
if(check_args(env, 2, tfloat, integer)==0) { |
318 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
319 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
320 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
324 |
return; |
return; |
325 |
} |
} |
326 |
|
|
327 |
if(check_args(env, integer, tfloat, empty)==0) { |
if(check_args(env, 2, integer, tfloat)==0) { |
328 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
329 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
330 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
334 |
return; |
return; |
335 |
} |
} |
336 |
|
|
337 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err=2; |
|
338 |
} |
} |
339 |
|
|
340 |
/* "-" */ |
/* "-" */ |
343 |
int a, b; |
int a, b; |
344 |
float fa, fb; |
float fa, fb; |
345 |
|
|
346 |
if(check_args(env, unknown, unknown, empty)==1) { |
if(check_args(env, 2, integer, integer)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
} |
|
|
|
|
|
if(check_args(env, integer, integer, empty)==0) { |
|
347 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
348 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
349 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
353 |
return; |
return; |
354 |
} |
} |
355 |
|
|
356 |
if(check_args(env, tfloat, tfloat, empty)==0) { |
if(check_args(env, 2, tfloat, tfloat)==0) { |
357 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
358 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
359 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
363 |
return; |
return; |
364 |
} |
} |
365 |
|
|
366 |
if(check_args(env, tfloat, integer, empty)==0) { |
if(check_args(env, 2, tfloat, integer)==0) { |
367 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
368 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
369 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
373 |
return; |
return; |
374 |
} |
} |
375 |
|
|
376 |
if(check_args(env, integer, tfloat, empty)==0) { |
if(check_args(env, 2, integer, tfloat)==0) { |
377 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
378 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
379 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
383 |
return; |
return; |
384 |
} |
} |
385 |
|
|
386 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err=2; |
|
387 |
} |
} |
388 |
|
|
389 |
/* ">" */ |
/* ">" */ |
392 |
int a, b; |
int a, b; |
393 |
float fa, fb; |
float fa, fb; |
394 |
|
|
395 |
if(check_args(env, unknown, unknown, empty)==1) { |
if(check_args(env, 2, integer, integer)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
} |
|
|
|
|
|
if(check_args(env, integer, integer, empty)==0) { |
|
396 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
397 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
398 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
402 |
return; |
return; |
403 |
} |
} |
404 |
|
|
405 |
if(check_args(env, tfloat, tfloat, empty)==0) { |
if(check_args(env, 2, tfloat, tfloat)==0) { |
406 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
407 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
408 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
412 |
return; |
return; |
413 |
} |
} |
414 |
|
|
415 |
if(check_args(env, tfloat, integer, empty)==0) { |
if(check_args(env, 2, tfloat, integer)==0) { |
416 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
417 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
418 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
422 |
return; |
return; |
423 |
} |
} |
424 |
|
|
425 |
if(check_args(env, integer, tfloat, empty)==0) { |
if(check_args(env, 2, integer, tfloat)==0) { |
426 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
427 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
428 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
432 |
return; |
return; |
433 |
} |
} |
434 |
|
|
435 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
436 |
} |
} |
437 |
|
|
438 |
/* "<" */ |
/* "<" */ |
459 |
/* "dup"; duplicates an item on the stack */ |
/* "dup"; duplicates an item on the stack */ |
460 |
extern void sx_647570(environment *env) |
extern void sx_647570(environment *env) |
461 |
{ |
{ |
462 |
switch(check_args(env, unknown, empty)) { |
if(check_args(env, 1, unknown)) |
463 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
464 |
|
|
465 |
push_val(env, copy_val(env, CAR(env->head))); |
push_val(env, copy_val(env, CAR(env->head))); |
466 |
} |
} |
470 |
{ |
{ |
471 |
int truth; |
int truth; |
472 |
|
|
473 |
switch(check_args(env, unknown, integer, empty)) { |
if(check_args(env, 2, unknown, integer)) |
474 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
475 |
|
|
476 |
swap(env); |
swap(env); |
477 |
if(env->err) return; |
if(env->err) return; |
492 |
{ |
{ |
493 |
int truth; |
int truth; |
494 |
|
|
495 |
switch(check_args(env, unknown, unknown, integer, empty)) { |
if(check_args(env, 3, unknown, unknown, integer)) |
496 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
497 |
|
|
498 |
rot(env); |
rot(env); |
499 |
if(env->err) return; |
if(env->err) return; |
517 |
extern void sx_656c7365(environment *env) |
extern void sx_656c7365(environment *env) |
518 |
{ |
{ |
519 |
|
|
520 |
switch(check_args(env, |
if(check_args(env, 5, unknown, symb, unknown, symb, integer)) |
521 |
unknown, symb, unknown, symb, integer, |
return printerr(env); |
|
empty)) { |
|
|
case 1: |
|
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
522 |
|
|
523 |
/// XXX |
/// XXX |
524 |
|
|
526 |
|| strcmp(CAR(CDR(env->head))->content.sym->id, "then")!=0 |
|| strcmp(CAR(CDR(env->head))->content.sym->id, "then")!=0 |
527 |
|| CAR(CDR(CDR(CDR(env->head))))->type!=symb |
|| CAR(CDR(CDR(CDR(env->head))))->type!=symb |
528 |
|| strcmp(CAR(CDR(CDR(CDR(env->head))))->content.sym->id, "if")!=0) { |
|| strcmp(CAR(CDR(CDR(CDR(env->head))))->content.sym->id, "if")!=0) { |
|
printerr(env, "Bad Argument Type"); |
|
529 |
env->err= 2; |
env->err= 2; |
530 |
return; |
return printerr(env); |
531 |
} |
} |
532 |
|
|
533 |
swap(env); toss(env); rot(env); toss(env); |
swap(env); toss(env); rot(env); toss(env); |
537 |
extern void then(environment *env) |
extern void then(environment *env) |
538 |
{ |
{ |
539 |
|
|
540 |
switch(check_args(env, unknown, symb, integer, empty)) { |
if(check_args(env, 3, unknown, symb, integer)) |
541 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
542 |
|
|
543 |
/// XXX |
/// XXX |
544 |
|
|
545 |
if(CAR(CDR(env->head))->type!=symb |
if(CAR(CDR(env->head))->type!=symb |
546 |
|| strcmp(CAR(CDR(env->head))->content.sym->id, "if")!=0) { |
|| strcmp(CAR(CDR(env->head))->content.sym->id, "if")!=0) { |
|
printerr(env, "Bad Argument Type"); |
|
547 |
env->err= 2; |
env->err= 2; |
548 |
return; |
return printerr(env); |
549 |
} |
} |
550 |
|
|
551 |
swap(env); toss(env); |
swap(env); toss(env); |
558 |
int truth; |
int truth; |
559 |
value *loop, *test; |
value *loop, *test; |
560 |
|
|
561 |
switch(check_args(env, unknown, integer, empty)) { |
if(check_args(env, 2, unknown, integer)) |
562 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
563 |
|
|
564 |
loop= CAR(env->head); |
loop= CAR(env->head); |
565 |
protect(loop); |
protect(loop); |
576 |
/// XXX |
/// XXX |
577 |
|
|
578 |
if(CAR(env->head)->type != integer) { |
if(CAR(env->head)->type != integer) { |
|
printerr(env, "Bad Argument Type"); |
|
579 |
env->err= 2; |
env->err= 2; |
580 |
return; |
return printerr(env); |
581 |
} |
} |
582 |
|
|
583 |
truth= CAR(env->head)->content.i; |
truth= CAR(env->head)->content.i; |
602 |
value *loop; |
value *loop; |
603 |
int foo1, foo2; |
int foo1, foo2; |
604 |
|
|
605 |
switch(check_args(env, unknown, integer, integer, empty)) { |
if(check_args(env, 3, unknown, integer, integer)) |
606 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
607 |
|
|
608 |
loop= CAR(env->head); |
loop= CAR(env->head); |
609 |
protect(loop); |
protect(loop); |
640 |
value *loop, *foo; |
value *loop, *foo; |
641 |
value *iterator; |
value *iterator; |
642 |
|
|
643 |
switch(check_args(env, unknown, tcons, empty)) { |
if(check_args(env, 2, unknown, tcons)) |
644 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
645 |
|
|
646 |
loop= CAR(env->head); |
loop= CAR(env->head); |
647 |
protect(loop); |
protect(loop); |
662 |
if (iterator->type == tcons){ |
if (iterator->type == tcons){ |
663 |
iterator= CDR(iterator); |
iterator= CDR(iterator); |
664 |
} else { |
} else { |
665 |
printerr(env, "Bad Argument Type"); /* Improper list */ |
env->err= 2; /* Improper list */ |
|
env->err= 2; |
|
666 |
break; |
break; |
667 |
} |
} |
668 |
} |
} |
669 |
unprotect(loop); unprotect(foo); |
unprotect(loop); unprotect(foo); |
670 |
|
|
671 |
|
return printerr(env); |
672 |
} |
} |
673 |
|
|
674 |
/* "to" */ |
/* "to" */ |
677 |
int ending, start, i; |
int ending, start, i; |
678 |
value *iterator, *temp, *end; |
value *iterator, *temp, *end; |
679 |
|
|
680 |
switch(check_args(env, integer, integer, empty)) { |
if(check_args(env, 2, integer, integer)) |
681 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
682 |
|
|
683 |
end= new_val(env); |
end= new_val(env); |
684 |
|
|
735 |
{ |
{ |
736 |
FILE *stream; |
FILE *stream; |
737 |
|
|
738 |
switch(check_args(env, port, empty)) { |
if(check_args(env, 1, port)) |
739 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
740 |
|
|
741 |
stream=CAR(env->head)->content.p; |
stream=CAR(env->head)->content.p; |
742 |
readlinestream(env, stream); if(env->err) return; |
readlinestream(env, stream); if(env->err) return; |
756 |
{ |
{ |
757 |
FILE *stream; |
FILE *stream; |
758 |
|
|
759 |
switch(check_args(env, port, empty)) { |
if(check_args(env, 1, port)) |
760 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
761 |
|
|
762 |
stream=CAR(env->head)->content.p; |
stream=CAR(env->head)->content.p; |
763 |
readstream(env, stream); if(env->err) return; |
readstream(env, stream); if(env->err) return; |
771 |
{ |
{ |
772 |
int freq, dur, period, ticks; |
int freq, dur, period, ticks; |
773 |
|
|
774 |
switch(check_args(env, integer, integer, empty)) { |
if(check_args(env, 2, integer, integer)) |
775 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
776 |
|
|
777 |
dur= CAR(env->head)->content.i; |
dur= CAR(env->head)->content.i; |
778 |
toss(env); |
toss(env); |
792 |
usleep(dur); |
usleep(dur); |
793 |
return; |
return; |
794 |
case -1: |
case -1: |
|
perror("beep"); |
|
795 |
env->err= 5; |
env->err= 5; |
796 |
return; |
return printerr(env); |
797 |
default: |
default: |
798 |
abort(); |
abort(); |
799 |
} |
} |
805 |
{ |
{ |
806 |
int dur; |
int dur; |
807 |
|
|
808 |
switch(check_args(env, integer, empty)) { |
if(check_args(env, 1, integer)) |
809 |
case 1: |
return printerr(env); |
|
printerr(env, "Too Few Arguments"); |
|
|
return; |
|
|
case 2: |
|
|
printerr(env, "Bad Argument Type"); |
|
|
return; |
|
|
default: |
|
|
break; |
|
|
} |
|
810 |
|
|
811 |
dur= CAR(env->head)->content.i; |
dur= CAR(env->head)->content.i; |
812 |
toss(env); |
toss(env); |
814 |
usleep(dur); |
usleep(dur); |
815 |
} |
} |
816 |
|
|
|
/// XXXXXX |
|
|
|
|
817 |
|
|
818 |
/* "*" */ |
/* "*" */ |
819 |
extern void sx_2a(environment *env) |
extern void sx_2a(environment *env) |
821 |
int a, b; |
int a, b; |
822 |
float fa, fb; |
float fa, fb; |
823 |
|
|
824 |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
if(check_args(env, 2, integer, integer)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type==integer |
|
|
&& CAR(CDR(env->head))->type==integer) { |
|
825 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
826 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
827 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
831 |
return; |
return; |
832 |
} |
} |
833 |
|
|
834 |
if(CAR(env->head)->type==tfloat |
if(check_args(env, 2, tfloat, tfloat)==0) { |
|
&& CAR(CDR(env->head))->type==tfloat) { |
|
835 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
836 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
837 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
841 |
return; |
return; |
842 |
} |
} |
843 |
|
|
844 |
if(CAR(env->head)->type==tfloat |
if(check_args(env, 2, tfloat, integer)==0) { |
|
&& CAR(CDR(env->head))->type==integer) { |
|
845 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
846 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
847 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
851 |
return; |
return; |
852 |
} |
} |
853 |
|
|
854 |
if(CAR(env->head)->type==integer |
if(check_args(env, 2, integer, tfloat)==0) { |
|
&& CAR(CDR(env->head))->type==tfloat) { |
|
855 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
856 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
857 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
861 |
return; |
return; |
862 |
} |
} |
863 |
|
|
864 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
865 |
} |
} |
866 |
|
|
867 |
/* "/" */ |
/* "/" */ |
870 |
int a, b; |
int a, b; |
871 |
float fa, fb; |
float fa, fb; |
872 |
|
|
873 |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
if(check_args(env, 2, integer, integer)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type==integer |
|
|
&& CAR(CDR(env->head))->type==integer) { |
|
874 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
875 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
876 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
880 |
return; |
return; |
881 |
} |
} |
882 |
|
|
883 |
if(CAR(env->head)->type==tfloat |
if(check_args(env, 2, tfloat, tfloat)==0) { |
|
&& CAR(CDR(env->head))->type==tfloat) { |
|
884 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
885 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
886 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
890 |
return; |
return; |
891 |
} |
} |
892 |
|
|
893 |
if(CAR(env->head)->type==tfloat |
if(check_args(env, 2, tfloat, integer)==0) { |
|
&& CAR(CDR(env->head))->type==integer) { |
|
894 |
fa= CAR(env->head)->content.f; |
fa= CAR(env->head)->content.f; |
895 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
896 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
900 |
return; |
return; |
901 |
} |
} |
902 |
|
|
903 |
if(CAR(env->head)->type==integer |
if(check_args(env, 2, integer, tfloat)==0) { |
|
&& CAR(CDR(env->head))->type==tfloat) { |
|
904 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
905 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
906 |
fb= CAR(env->head)->content.f; |
fb= CAR(env->head)->content.f; |
910 |
return; |
return; |
911 |
} |
} |
912 |
|
|
913 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
914 |
} |
} |
915 |
|
|
916 |
/* "mod" */ |
/* "mod" */ |
918 |
{ |
{ |
919 |
int a, b; |
int a, b; |
920 |
|
|
921 |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
if(check_args(env, 2, integer, integer)==0) { |
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type==integer |
|
|
&& CAR(CDR(env->head))->type==integer) { |
|
922 |
a= CAR(env->head)->content.i; |
a= CAR(env->head)->content.i; |
923 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
924 |
b= CAR(env->head)->content.i; |
b= CAR(env->head)->content.i; |
928 |
return; |
return; |
929 |
} |
} |
930 |
|
|
931 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
932 |
} |
} |
933 |
|
|
934 |
|
|
935 |
/* "div" */ |
/* "div" */ |
936 |
extern void sx_646976(environment *env) |
extern void sx_646976(environment *env) |
937 |
{ |
{ |
938 |
int a, b; |
int a, b; |
|
|
|
|
if(env->head->type==empty || CDR(env->head)->type==empty) { |
|
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
939 |
|
|
940 |
if(CAR(env->head)->type==integer |
if(check_args(env, 2, integer, integer)) |
941 |
&& CAR(CDR(env->head))->type==integer) { |
return printerr(env); |
942 |
a= CAR(env->head)->content.i; |
|
943 |
toss(env); if(env->err) return; |
a= CAR(env->head)->content.i; |
944 |
b= CAR(env->head)->content.i; |
toss(env); if(env->err) return; |
945 |
toss(env); if(env->err) return; |
b= CAR(env->head)->content.i; |
946 |
push_int(env, (int)b/a); |
toss(env); if(env->err) return; |
947 |
|
push_int(env, (int)b/a); |
|
return; |
|
|
} |
|
|
|
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
948 |
} |
} |
949 |
|
|
950 |
|
|
951 |
extern void setcar(environment *env) |
extern void setcar(environment *env) |
952 |
{ |
{ |
|
if(env->head->type==empty || CDR(env->head)->type==empty) { |
|
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
953 |
|
|
954 |
if(CDR(env->head)->type!=tcons) { |
if(check_args(env, 2, tcons, unknown)) |
955 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
|
return; |
|
|
} |
|
956 |
|
|
957 |
CAR(CAR(CDR(env->head)))=CAR(env->head); |
CAR(CAR(CDR(env->head)))=CAR(env->head); |
958 |
toss(env); |
toss(env); |
960 |
|
|
961 |
extern void setcdr(environment *env) |
extern void setcdr(environment *env) |
962 |
{ |
{ |
|
if(env->head->type==empty || CDR(env->head)->type==empty) { |
|
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
963 |
|
|
964 |
if(CDR(env->head)->type!=tcons) { |
if(check_args(env, 2, tcons, unknown)) |
965 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
|
return; |
|
|
} |
|
966 |
|
|
967 |
CDR(CAR(CDR(env->head)))=CAR(env->head); |
CDR(CAR(CDR(env->head)))=CAR(env->head); |
968 |
toss(env); |
toss(env); |
970 |
|
|
971 |
extern void car(environment *env) |
extern void car(environment *env) |
972 |
{ |
{ |
|
if(env->head->type==empty) { |
|
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
973 |
|
|
974 |
if(CAR(env->head)->type!=tcons) { |
if(check_args(env, 1, tcons)) |
975 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
|
return; |
|
|
} |
|
976 |
|
|
977 |
CAR(env->head)=CAR(CAR(env->head)); |
CAR(env->head)=CAR(CAR(env->head)); |
978 |
} |
} |
979 |
|
|
980 |
extern void cdr(environment *env) |
extern void cdr(environment *env) |
981 |
{ |
{ |
|
if(env->head->type==empty) { |
|
|
printerr(env, "Too Few Arguments"); |
|
|
env->err= 1; |
|
|
return; |
|
|
} |
|
982 |
|
|
983 |
if(CAR(env->head)->type!=tcons) { |
if(check_args(env, 1, tcons)) |
984 |
printerr(env, "Bad Argument Type"); |
return printerr(env); |
|
env->err= 2; |
|
|
return; |
|
|
} |
|
985 |
|
|
986 |
CAR(env->head)=CDR(CAR(env->head)); |
CAR(env->head)=CDR(CAR(env->head)); |
987 |
} |
} |
990 |
{ |
{ |
991 |
value *val; |
value *val; |
992 |
|
|
993 |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
if(check_args(env, 2, unknown, unknown)) |
994 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err= 1; |
|
|
return; |
|
|
} |
|
995 |
|
|
996 |
val=new_val(env); |
val=new_val(env); |
997 |
val->content.c= malloc(sizeof(pair)); |
val->content.c= malloc(sizeof(pair)); |
1008 |
swap(env); if(env->err) return; |
swap(env); if(env->err) return; |
1009 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1010 |
swap(env); if(env->err) return; |
swap(env); if(env->err) return; |
1011 |
toss(env); if(env->err) return; |
toss(env); |
1012 |
} |
} |
1013 |
|
|
1014 |
|
|
1019 |
|
|
1020 |
/* Needs two values on the stack, the top one must be an association |
/* Needs two values on the stack, the top one must be an association |
1021 |
list */ |
list */ |
1022 |
if(env->head->type==empty || CDR(env->head)->type==empty) { |
if(check_args(env, 2, tcons, unknown)) |
1023 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type!=tcons) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1024 |
|
|
1025 |
key=CAR(CDR(env->head)); |
key=CAR(CDR(env->head)); |
1026 |
item=CAR(env->head); |
item=CAR(env->head); |
1027 |
|
|
1028 |
while(item->type == tcons){ |
while(item->type == tcons){ |
1029 |
if(CAR(item)->type != tcons){ |
if(CAR(item)->type != tcons){ |
|
printerr(env, "Bad Argument Type"); |
|
1030 |
env->err= 2; |
env->err= 2; |
1031 |
return; |
return printerr(env); |
1032 |
} |
} |
1033 |
|
|
1034 |
push_val(env, key); |
push_val(env, key); |
1035 |
push_val(env, CAR(CAR(item))); |
push_val(env, CAR(CAR(item))); |
1036 |
eqfunc(env); if(env->err) return; |
eqfunc((void*)env); if(env->err) return; |
1037 |
|
|
1038 |
/* Check the result of 'eqfunc' */ |
/* Check the result of 'eqfunc' */ |
1039 |
if(env->head->type==empty) { |
if(check_args(env, 1, integer)) |
1040 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
if(CAR(env->head)->type!=integer) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1041 |
|
|
1042 |
if(CAR(env->head)->content.i){ |
if(CAR(env->head)->content.i){ |
1043 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1046 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
1047 |
|
|
1048 |
if(item->type!=tcons) { |
if(item->type!=tcons) { |
|
printerr(env, "Bad Argument Type"); |
|
1049 |
env->err= 2; |
env->err= 2; |
1050 |
return; |
return printerr(env); |
1051 |
} |
} |
1052 |
|
|
1053 |
item=CDR(item); |
item=CDR(item); |
1069 |
/* 1: [ [ 1 . 2 ] [ 3 . 4 ] ] => 1: [ 3 . 4 ] */ |
/* 1: [ [ 1 . 2 ] [ 3 . 4 ] ] => 1: [ 3 . 4 ] */ |
1070 |
extern void assq(environment *env) |
extern void assq(environment *env) |
1071 |
{ |
{ |
1072 |
assocgen(env, eq); |
assocgen(env, (void*)eq); |
1073 |
} |
} |
1074 |
|
|
1075 |
|
|
1088 |
value *new_port; |
value *new_port; |
1089 |
FILE *stream; |
FILE *stream; |
1090 |
|
|
1091 |
if(env->head->type == empty || CDR(env->head)->type == empty) { |
if(check_args(env, 2, string, string)) |
1092 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err=1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type != string |
|
|
|| CAR(CDR(env->head))->type != string) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1093 |
|
|
1094 |
stream=fopen(CAR(CDR(env->head))->content.ptr, |
stream=fopen(CAR(CDR(env->head))->content.ptr, |
1095 |
CAR(env->head)->content.ptr); |
CAR(env->head)->content.ptr); |
1096 |
|
|
1097 |
if(stream == NULL) { |
if(stream == NULL) { |
|
perror("open"); |
|
1098 |
env->err= 5; |
env->err= 5; |
1099 |
return; |
return printerr(env); |
1100 |
} |
} |
1101 |
|
|
1102 |
new_port=new_val(env); |
new_port=new_val(env); |
1117 |
{ |
{ |
1118 |
int ret; |
int ret; |
1119 |
|
|
1120 |
if(env->head->type == empty) { |
if(check_args(env, 1, port)) |
1121 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err=1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type != port) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1122 |
|
|
1123 |
ret= fclose(CAR(env->head)->content.p); |
ret= fclose(CAR(env->head)->content.p); |
1124 |
|
|
1125 |
if(ret != 0){ |
if(ret != 0){ |
|
perror("close"); |
|
1126 |
env->err= 5; |
env->err= 5; |
1127 |
return; |
return printerr(env); |
1128 |
} |
} |
1129 |
|
|
1130 |
toss(env); |
toss(env); |
1131 |
} |
} |
1132 |
|
|
1133 |
|
|
1134 |
extern void mangle(environment *env) |
extern void mangle(environment *env) |
1135 |
{ |
{ |
1136 |
char *new_string; |
char *new_string; |
1137 |
|
|
1138 |
if(env->head->type==empty) { |
if(check_args(env, 1, string)) |
1139 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type!=string) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1140 |
|
|
1141 |
new_string= mangle_str(CAR(env->head)->content.string); |
new_string= mangle_str(CAR(env->head)->content.string); |
1142 |
|
|
1156 |
extern void sx_77616974706964(environment *env) |
extern void sx_77616974706964(environment *env) |
1157 |
{ |
{ |
1158 |
|
|
1159 |
if(env->head->type==empty) { |
if(check_args(env, 1, integer)) |
1160 |
printerr(env, "Too Few Arguments"); |
return printerr(env); |
|
env->err= 1; |
|
|
return; |
|
|
} |
|
|
|
|
|
if(CAR(env->head)->type!=integer) { |
|
|
printerr(env, "Bad Argument Type"); |
|
|
env->err= 2; |
|
|
return; |
|
|
} |
|
1161 |
|
|
1162 |
push_int(env, waitpid(CAR(env->head)->content.i, NULL, 0)); |
push_int(env, waitpid(CAR(env->head)->content.i, NULL, 0)); |
1163 |
swap(env); toss(env); |
swap(env); toss(env); |
1167 |
/* Discard the top element of the stack. */ |
/* Discard the top element of the stack. */ |
1168 |
extern void toss(environment *env) |
extern void toss(environment *env) |
1169 |
{ |
{ |
1170 |
if(env->head->type==empty) { |
|
1171 |
printerr(env, "Too Few Arguments"); |
if(check_args(env, 1, unknown)) |
1172 |
env->err= 1; |
return printerr(env); |
1173 |
return; |
|
|
} |
|
|
|
|
1174 |
env->head= CDR(env->head); /* Remove the top stack item */ |
env->head= CDR(env->head); /* Remove the top stack item */ |
1175 |
} |
} |
1176 |
|
|
1251 |
|
|
1252 |
extern void copying(environment *env) |
extern void copying(environment *env) |
1253 |
{ |
{ |
1254 |
printf(license_message); |
puts(license_message); |
1255 |
} |
} |
1256 |
|
|
1257 |
|
|
1258 |
extern void warranty(environment *env) |
extern void warranty(environment *env) |
1259 |
{ |
{ |
1260 |
printf(warranty_message); |
puts(warranty_message); |
1261 |
|
} |
1262 |
|
|
1263 |
|
|
1264 |
|
/* random */ |
1265 |
|
extern void sx_72616e646f6d(environment *env) |
1266 |
|
{ |
1267 |
|
push_int(env, (int)rand()); |
1268 |
|
} |
1269 |
|
|
1270 |
|
|
1271 |
|
extern void seed(environment *env) |
1272 |
|
{ |
1273 |
|
if(check_args(env, 1, integer)) |
1274 |
|
return printerr(env); |
1275 |
|
|
1276 |
|
srand(CAR(env->head)->content.i); |
1277 |
|
toss(env); |
1278 |
|
} |
1279 |
|
|
1280 |
|
|
1281 |
|
extern void ticks(environment *env) |
1282 |
|
{ |
1283 |
|
int val; |
1284 |
|
|
1285 |
|
val= (int)time(NULL); |
1286 |
|
if(val<0) { |
1287 |
|
env->err= 5; |
1288 |
|
return printerr(env); |
1289 |
|
} |
1290 |
|
|
1291 |
|
return push_int(env, val); |
1292 |
|
} |
1293 |
|
|
1294 |
|
|
1295 |
|
extern void push(environment *env) |
1296 |
|
{ |
1297 |
|
symbol *sym; |
1298 |
|
value *oldval; |
1299 |
|
value *newval; |
1300 |
|
|
1301 |
|
if(check_args(env, 2, symb, unknown)==0) { |
1302 |
|
sym= CAR(env->head)->content.sym; |
1303 |
|
oldval= sym->val; |
1304 |
|
|
1305 |
|
if(oldval==NULL) |
1306 |
|
oldval= new_val(env); |
1307 |
|
|
1308 |
|
sym->val= new_val(env); |
1309 |
|
sym->val->content.c= malloc(sizeof(pair)); |
1310 |
|
assert(sym->val->content.c!=NULL); |
1311 |
|
env->gc_count += sizeof(pair); |
1312 |
|
sym->val->type= tcons; |
1313 |
|
CDR(sym->val)= oldval; |
1314 |
|
CAR(sym->val)= CAR(CDR(env->head)); |
1315 |
|
env->head= CDR(CDR(env->head)); |
1316 |
|
|
1317 |
|
return; |
1318 |
|
} |
1319 |
|
|
1320 |
|
if(check_args(env, 2, tcons, unknown)==0 |
1321 |
|
|| check_args(env, 2, empty, unknown)==0) { |
1322 |
|
oldval= CAR(env->head); |
1323 |
|
env->head= CDR(env->head); |
1324 |
|
newval= new_val(env); |
1325 |
|
newval->content.c= malloc(sizeof(pair)); |
1326 |
|
assert(newval->content.c!=NULL); |
1327 |
|
env->gc_count += sizeof(pair); |
1328 |
|
newval->type= tcons; |
1329 |
|
CDR(newval)= oldval; |
1330 |
|
CAR(newval)= CAR(env->head); |
1331 |
|
env->head= CDR(env->head); |
1332 |
|
push_val(env, newval); |
1333 |
|
|
1334 |
|
return; |
1335 |
|
} |
1336 |
|
|
1337 |
|
return printerr(env); |
1338 |
|
} |
1339 |
|
|
1340 |
|
|
1341 |
|
extern void pop(environment *env) |
1342 |
|
{ |
1343 |
|
symbol *sym; |
1344 |
|
value *val; |
1345 |
|
|
1346 |
|
if(check_args(env, 1, symb)==0) { |
1347 |
|
sym= CAR(env->head)->content.sym; |
1348 |
|
|
1349 |
|
if(sym->val==NULL) { |
1350 |
|
env->err= 3; |
1351 |
|
return printerr(env); |
1352 |
|
} |
1353 |
|
|
1354 |
|
env->head= CDR(env->head); |
1355 |
|
if(sym->val->type==tcons) { |
1356 |
|
push_val(env, CAR(sym->val)); |
1357 |
|
sym->val= CDR(sym->val); |
1358 |
|
} else { |
1359 |
|
env->err= 2; |
1360 |
|
return printerr(env); |
1361 |
|
} |
1362 |
|
|
1363 |
|
return; |
1364 |
|
} |
1365 |
|
|
1366 |
|
if(check_args(env, 1, tcons)==0) { |
1367 |
|
val= CAR(env->head); |
1368 |
|
env->head= CDR(env->head); |
1369 |
|
push_val(env, CAR(val)); |
1370 |
|
return; |
1371 |
|
} |
1372 |
|
|
1373 |
|
return printerr(env); |
1374 |
} |
} |